74989640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1301}}^1$

素因数の和:1454

約数の個数: 64

約数和(自身を含む): 185613120

約数和(自身を除く): 110623480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 220, 262, 440, 524, 655, 1048, 1301, 1310, 1441, 2602, 2620, 2882, 5204, 5240, 5764, 6505, 7205, 10408, 11528, 13010, 14311, 14410, 26020, 28622, 28820, 52040, 57244, 57640, 71555, 114488, 143110, 170431, 286220, 340862, 572440, 681724, 852155, 1363448, 1704310, 1874741, 3408620, 3749482, 6817240, 7498964, 9373705, 14997928, 18747410, 37494820, 74989640]

約数ペア:

[(1, 74989640), (2, 37494820), (4, 18747410), (5, 14997928), (8, 9373705), (10, 7498964), (11, 6817240), (20, 3749482), (22, 3408620), (40, 1874741), (44, 1704310), (55, 1363448), (88, 852155), (110, 681724), (131, 572440), (220, 340862), (262, 286220), (440, 170431), (524, 143110), (655, 114488), (1048, 71555), (1301, 57640), (1310, 57244), (1441, 52040), (2602, 28820), (2620, 28622), (2882, 26020), (5204, 14410), (5240, 14311), (5764, 13010), (6505, 11528), (7205, 10408)]